I asked Opus 5.5 for a hidden connection between unrelated fields that nobody has published yet. It linked groundwater cleanup to how the sleeping brain clears Alzheimer's proteins

Groundwater engineers learned that contaminants trapped in stagnant pockets leaks out slowly, so they pump in pulses, pausing to let it seep back into the flowing channels. Claude suggested the sleeping brain works the same way. During deep sleep, vessels pulse about every 50 seconds to flush out waste, and that waste has to diffuse out of the tissue first. Its prediction: the best pulse rate should depend on the size of the molecule. Bigger molecules like tau would need slower pulses. That could mean tuning sleep tech or drugs to the specific toxic protein you want cleared. When I asked whether this was really unknown, it said parts already are known (vessel pulsing drives clearance). It also walked back its claim that the brain's rhythm "matches" the diffusion time. But it couldn't find anyone applying the groundwater pulse-timing idea to the brain. Anyone in brain fluid dynamics or hydrogeology: is this new, known, or already ruled out?